./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:23:49,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:23:49,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:23:49,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:23:49,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:23:49,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:23:49,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:23:49,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:23:49,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:23:49,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:23:49,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:23:49,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:23:49,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:23:49,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:23:49,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:23:49,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:23:49,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:23:49,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:23:49,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:23:49,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:23:49,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:23:49,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:23:49,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:23:49,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:23:49,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:23:49,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:23:49,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:23:49,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:23:49,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:23:49,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:23:49,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:23:49,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:23:49,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:23:49,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:23:49,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:23:49,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:23:49,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:23:49,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:23:49,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:23:49,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:23:49,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:23:49,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-14 22:23:49,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:23:49,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:23:49,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:23:49,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:23:49,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:23:49,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:23:49,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:23:49,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:23:49,168 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:23:49,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:23:49,169 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:23:49,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:23:49,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:23:49,169 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 22:23:49,170 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 22:23:49,170 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 22:23:49,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:23:49,170 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 22:23:49,170 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:23:49,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:23:49,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:23:49,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:23:49,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:23:49,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:23:49,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:23:49,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 22:23:49,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 22:23:49,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:23:49,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-12-14 22:23:49,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:23:49,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:23:49,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:23:49,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:23:49,430 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:23:49,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-14 22:23:49,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5580fe68/a22fe8c234c2466d8f6409668ba9053e/FLAG079e9fbe2 [2021-12-14 22:23:50,088 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:23:50,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-14 22:23:50,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5580fe68/a22fe8c234c2466d8f6409668ba9053e/FLAG079e9fbe2 [2021-12-14 22:23:50,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5580fe68/a22fe8c234c2466d8f6409668ba9053e [2021-12-14 22:23:50,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:23:50,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:23:50,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:50,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:23:50,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:23:50,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:50" (1/1) ... [2021-12-14 22:23:50,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb4dff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:50, skipping insertion in model container [2021-12-14 22:23:50,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:50" (1/1) ... [2021-12-14 22:23:50,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:23:50,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:23:51,174 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-14 22:23:51,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d06561b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:51, skipping insertion in model container [2021-12-14 22:23:51,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:51,176 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 22:23:51,178 INFO L158 Benchmark]: Toolchain (without parser) took 660.69ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 73.3MB in the beginning and 95.4MB in the end (delta: -22.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:51,180 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:23:51,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.96ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 95.4MB in the end (delta: -22.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:51,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.96ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 95.4MB in the end (delta: -22.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:23:52,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:23:52,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:23:52,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:23:52,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:23:52,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:23:52,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:23:52,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:23:52,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:23:52,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:23:52,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:23:52,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:23:52,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:23:52,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:23:52,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:23:52,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:23:52,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:23:52,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:23:52,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:23:52,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:23:52,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:23:52,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:23:52,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:23:52,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:23:52,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:23:52,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:23:52,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:23:52,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:23:52,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:23:52,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:23:52,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:23:52,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:23:52,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:23:52,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:23:52,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:23:52,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:23:52,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:23:52,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:23:52,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:23:52,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:23:52,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:23:53,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-14 22:23:53,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:23:53,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:23:53,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:23:53,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:23:53,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:23:53,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:23:53,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:23:53,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:23:53,030 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:23:53,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:23:53,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:23:53,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:23:53,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:23:53,032 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 22:23:53,032 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 22:23:53,032 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 22:23:53,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:23:53,033 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 22:23:53,033 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 22:23:53,033 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 22:23:53,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:23:53,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:23:53,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:23:53,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:23:53,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:23:53,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:23:53,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:23:53,035 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 22:23:53,036 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 22:23:53,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:23:53,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 22:23:53,036 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-12-14 22:23:53,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:23:53,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:23:53,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:23:53,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:23:53,363 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:23:53,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-14 22:23:53,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48959a18d/b762f054372a46eba12704a094fc6aea/FLAG7c5341f57 [2021-12-14 22:23:53,936 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:23:53,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-14 22:23:53,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48959a18d/b762f054372a46eba12704a094fc6aea/FLAG7c5341f57 [2021-12-14 22:23:54,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48959a18d/b762f054372a46eba12704a094fc6aea [2021-12-14 22:23:54,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:23:54,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:23:54,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:54,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:23:54,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:23:54,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:54" (1/1) ... [2021-12-14 22:23:54,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d84966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:54, skipping insertion in model container [2021-12-14 22:23:54,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:54" (1/1) ... [2021-12-14 22:23:54,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:23:54,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:23:55,097 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-14 22:23:55,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74951e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:55, skipping insertion in model container [2021-12-14 22:23:55,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:55,098 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 22:23:55,102 INFO L158 Benchmark]: Toolchain (without parser) took 709.57ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 27.9MB in the beginning and 51.8MB in the end (delta: -23.9MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:55,103 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:23:55,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.72ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 27.6MB in the beginning and 51.8MB in the end (delta: -24.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:55,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.72ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 27.6MB in the beginning and 51.8MB in the end (delta: -24.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN